Changeset 29919ec0 in rtems

Timestamp:

Nov 23, 2012, 2:12:41 PM (7 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

4.11, master

Children:

f4309b0

Parents:

65ab304

git-author:

Sebastian Huber <sebastian.huber@…> (11/23/12 14:12:41)

git-committer:

Sebastian Huber <sebastian.huber@…> (12/03/12 12:17:12)

Message:

bsp/mpc55xx: Add .sysram section

Location:

c/src/lib/libbsp/powerpc/mpc55xxevb

Files:

• include/bsp.h (modified) (1 diff)
• startup/linkcmds.mpc5674f_ecu508 (modified) (2 diffs)
• startup/linkcmds.mpc5674f_ecu508_app (modified) (1 diff)

c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h

@@ -88 +88 @@
 #define BSP_DSRAM_SECTION __attribute__((section(".bsp_dsram")))
 
+LINKER_SYMBOL(bsp_section_sysram_begin)
+LINKER_SYMBOL(bsp_section_sysram_end)
+LINKER_SYMBOL(bsp_section_sysram_size)
+LINKER_SYMBOL(bsp_section_sysram_load_begin)
+LINKER_SYMBOL(bsp_section_sysram_load_end)
+
+#define BSP_SYSRAM_SECTION __attribute__((section(".bsp_sysram")))
+
 typedef enum {
   MPC55XX_FATAL_FMPLL_LOCK

c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508

@@ -1 +1 @@
 MEMORY {
         DSROM : ORIGIN = 0x00020000, LENGTH = 64k
+        SYSROM : ORIGIN = 0x00100000, LENGTH = 4k
         RAM : ORIGIN = 0x40000000, LENGTH = 240k
         NOCACHE : ORIGIN = 0x4003c000, LENGTH = 16k
         DSRAM : ORIGIN = 0x20000000, LENGTH = 64k
-        RAM_EXT : ORIGIN = 0x20010000, LENGTH = 448k
+        RAM_EXT : ORIGIN = 0x20010000, LENGTH = 444k
+        SYSRAM : ORIGIN = 0x2007f000, LENGTH = 4k
         NVRAM : ORIGIN = 0x3ffa0000, LENGTH = 128k
 }
@@ -36 +38 @@
         bsp_section_dsram_load_begin = LOADADDR (.dsram);
         bsp_section_dsram_load_end = bsp_section_dsram_load_begin + bsp_section_dsram_size;
+
+        .sysram : {
+                bsp_section_sysram_begin = .;
+                *(SORT(.bsp_sysram*))
+                bsp_section_sysram_end = .;
+        } > SYSRAM AT > SYSROM
+        bsp_section_sysram_size = bsp_section_sysram_end - bsp_section_sysram_begin;
+        bsp_section_sysram_load_begin = LOADADDR (.sysram);
+        bsp_section_sysram_load_end = bsp_section_sysram_load_begin + bsp_section_sysram_size;
 }
 

c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508_app

@@ -1 +1 @@
 MEMORY {
         /* Let space for the binary image library header */
-        ROM : ORIGIN = 0x00100000, LENGTH = 3M - 4k
+        ROM : ORIGIN = 0x00101000, LENGTH = 3064k
 }